It is given that % of students are good in mathematics.
Therefore,
Percentage of students who are not good in mathematics = %
= %
∴Number of students who are not good in mathematics =
=
Thus, students are not good in mathematics.
Days | Total number of towels sold | Ratio of large to small sized towels sold | Percentage of Medium sized towels | Difference between the number of large sized and small sized towels sold |
Monday | 950 | 3 : 1 | 20% | - |
Tuesday | 900 | 3 : 2 | - | 90 |
Wednesday | - | 5 : 4 | 25% | 70 |
Thursday | 750 | - | 20% | 40 |
Friday | - | 4 : 3 | 40% | 90 |